import Vue from 'vue'
import VueRouter from 'vue-router'
import store from "@/store";

Vue.use(VueRouter)

const routes = [
  // {
  //   path: '/about',
  //   name: 'About',
  //   // route level code-splitting
  //   // this generates a separate chunk (about.[hash].js) for this route
  //   // which is lazy-loaded when the route is visited.
  //   component: () => import(/* webpackChunkName: "about" */ '../views/About.vue')
  // },
  {
    path: '/login',
    name: 'Login',
    component: () => import('../views/Login.vue')
  },
  {
    path: '/register',
    name: 'Register',
    component: () => import('../views/Register.vue')
  },
  {
    path: '/jobcheck',
    name: 'Jobcheck',
    component: () => import('../views/jobcheck.vue')
  },
  {
    path: 'im',
    name: 'Im',
    component: () => import("../views/Im"),
  },

  {
    path: '/calculateDoc2Vec',
    name: 'CalculateDoc2Vec',
    component: () => import('../views/CalculateDoc2Vec.vue')
  },
  {
    path: '/404',
    name: '404',
    component: () => import('../views/404.vue')
  },
  {
    path: '/front',
    name: 'Front',
    component: () => import('../views/front/Front'),
    children: [
      {
        path: 'home',
        name: 'FrontHome',
        component: () => import('../views/front/Home.vue')
      },
      {
        path: 'item1',
        name: 'Item1',
        component: () => import('../views/front/Item1.vue')
      },
      {
        path: 'person',
        name: 'FrontPerson',
        component: () => import('../views/front/Person')
      },
      {
        path: 'password',
        name: 'FrontPassword',
        component: () => import('../views/front/Password')
      },
      {
        path: 'video',
        name: 'Video',
        component: () => import('../views/front/Video')
      },
      {
        path: 'videoDetail',
        name: 'VideoDetail',
        component: () => import('../views/front/VideoDetail')
      },
      {
        path: 'article',
        name: 'FrontArticle',
        component: () => import('../views/front/Article')
      },
      {
        path: 'articleDetail',
        name: 'ArticleDetail',
        component: () => import('../views/front/ArticleDetail')
      },
      {
        path: 'job',
        name: 'Job',
        component: () => import('../views/front/Job')
      },
      {
        path: 'paper',
        name: 'Paper',
        component: () => import('../views/front/Paper')
      },
    ]
  },
]
const router = new VueRouter({
  mode: 'history',
  base: process.env.BASE_URL,
  routes
})

// 提供一个重置路由的方法，防止在添加新的菜单的时候，显示404
export const resetRouter = () => {
  router.matcher = new VueRouter({
    mode: 'history',
    base: process.env.BASE_URL,
    routes
  })
}


// 后台路由
//刷新界面会导致页面路由重置
export const setRoutes = ()=>{
  const storeMenus = localStorage.getItem("menus");
  if (storeMenus) {
    const manageRoute = {path: '/', name: 'Manage', component: () => import('../views/Manage.vue'), redirect: "/home", children: [
        { path: 'person', name: '个人信息', component: () => import('../views/Person.vue')},
        { path: 'password', name: '修改密码', component: () => import('../views/Password.vue')}
      ] }
    const menus = JSON.parse(storeMenus);
    menus.forEach(item => {
      if (item.path) {  // 当且仅当path不为空的时候才去设置路由
        let itemMenu = { path: item.path.replace("/", ""), name: item.name, component: () => import('../views/' + item.pagePath + '.vue')}
        manageRoute.children.push(itemMenu)
      } else if(item.children.length) {
        item.children.forEach(item => {
          if (item.path) {
            let itemMenu = { path: item.path.replace("/", ""), name: item.name, component: () => import('../views/' + item.pagePath + '.vue')}
            manageRoute.children.push(itemMenu)
          }
        })
      }
    })
    //获取当前的路由对象名称数组
    const currentRouteNames = router.getRoutes().map(v => v.name)
    if (!currentRouteNames.includes('Manage')){
      //动态添加到现在的路由对象中去
      router.addRoute(manageRoute)
    }
  }
}
// 重置我就再set一次路由
setRoutes()
// router.addRoute(  {
//   path: '/',
//   component: () => import('../views/Manage.vue'),
//   redirect: "/home",
//   children: [
//     { path: 'home', name: '首页', component: () => import('../views/Home.vue')},
//     { path: 'user', name: '用户管理', component: () => import('../views/User.vue')},
//     { path: 'role', name: '角色管理', component: () => import('../views/Role.vue')},
//     { path: 'menu', name: '菜单管理', component: () => import('../views/Menu.vue')},
//     { path: 'person', name: '个人信息', component: () => import('../views/Person.vue')},
//     { path: 'file', name: '文件管理', component: () => import('../views/File.vue')},
//   ]
// },)
// 路由守卫
router.beforeEach((to, from, next) => {
  localStorage.setItem("currentPathName", to.name)  // 设置当前的路由名称，为了在Header组件中去使用
  store.commit("setPath")  // 触发store的数据更新

  const storeMenus = localStorage.getItem("menus")
// 未找到路由的情况
  if (!to.matched.length) {
    const storeMenus = localStorage.getItem("menus")
    if (storeMenus) {
      next("/404")
    } else {
      // 跳回登录页面
      next("/login")
    }
  }
  // 其他的情况都放行
  next()//放行路由

})

export default router
